RT4723 Datasheet, PDF (2/15 Pages) Richtek Technology Corporation – Built-in Soft-Start

RT4723
Pin Configurations
(TOP VIEW)
GND
SWIRE
VIN
LXP
PGND
A1 A2 A3
VON
B1 B2 B3
PGND
C1 C2 C3
GND
D1 D2 D3
GND
E1 E2 E3
BOOST
C2N
C2P
C1N
C1P
VOP
WL-CSP-15B 1.39x2.07 (BSC)
Functional Pin Description
Pin No.
Pin Name
Pin Function
A1, C2, D2 GND
Ground.
A2
VON
Negative Terminal Output.
A3
C2N
Flying Capacitor 2 Negative Connection.
B1
SWIRE
Enable and VON Voltage Setting.
B2, E1
PGND
Power Ground.
B3
C2P
Flying Capacitor 2 Positive Connection.
C1
VIN
Power Input.
C3
C1N
Flying Capacitor 1 Negative Connection.
D1
LXP
Switching Node of Boost Converter.
D3
C1P
Flying Capacitor 1 Positive Connection.
E2
BOOST
Output Voltage of Boost Converter.
E3
VOP
Positive Terminal Output.
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DS4723-00 April 2016